Two schoolgirls have confessed to stabbing to death a 12-year-old girl in Germany, police said Tuesday, in a case that has shocked the country. The victim, known only as Luise, went missing on Saturday afternoon after leaving a friend's house near the town of Freudenberg, in the western state of North Rhine-Westphalia. Luise had been meant to walk home from her friend's place but her parents raised the alarm on Saturday evening after she failed to return